My son was given world’s most expensive gene therapy drug – now he can walk

Five-year-old Edward can walk independently, his mum says, and she hopes he will lead a happy life.

​My son was given world’s most expensive gene therapy drug – now he can walk Five-year-old Edward can walk independently, his mum says, and she hopes he will lead a happy life. Five-year-old Edward can walk independently, his mum says, and she hopes he will lead a happy life.